Medisana's TargetScale is another wireless weight-monitoring solution that reports back to a smartphone so you can better track your progress. But its real appeal is a set of animated glowing rings that will make your bathroom feel like Captain Kirk's most private quarters.

Fitbit is showing off a new WiFi scale that tracks your weight and sends it to a database. Oh, hey, Withings much? Sure. But it's a concept whose time has come, and this looks like a well-done version.